Frost dates for 84755Mount Carmel, UT
The average last spring frost in Mount Carmel is May 15 and the average first fall frost is October 8, giving a typical growing season of about 144 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 15
- Average first fall frost
- Oct 8
- Growing season
- 144 days
Safer after Jun 4 (1-in-10 risk)
Possible by Sep 26 (1-in-10 risk)
Last frost typically in 200 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | May 14 · May 31 · Jun 13 | Sep 15 · Sep 28 · Oct 10 | 120 days | 100% |
| Frost / freeze (32°F) | Apr 30 · May 15 · Jun 4 | Sep 26 · Oct 8 · Oct 21 | 144 days | 100% |
| Hard freeze (28°F) | Apr 14 · Apr 30 · May 18 | Oct 4 · Oct 18 · Nov 2 | 170 days | 100% |
Planting calendar for Mount Carmel
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Apr 14 – Jun 20 |
| Tomatoes | Transplant outdoors | May 31 – Jun 18 |
| Peppers | Start seeds indoors | Apr 14 – May 15 |
| Peppers | Transplant outdoors | Jun 14 – Jul 15 |
| Eggplant | Start seeds indoors | May 1 – May 30 |
| Eggplant | Transplant outdoors | Jun 14 – Jul 15 |
| Cucumbers | Sow outdoors | Jun 14 – Jun 28 |
| Summer squash | Sow outdoors | May 31 – Jul 15 |
| Winter squash & pumpkins | Sow outdoors | Jun 14 – Jul 15 |
| Snap beans | Sow outdoors | May 31 – Jul 21 |
| Sweet corn | Sow outdoors | May 31 – Jun 18 |
| Watermelon & cantaloupe | Sow outdoors | Jun 14 – Jul 15 |
| Okra | Sow outdoors | Jun 7 – Jun 30 |
| Peas | Sow outdoors (spring) | Apr 14 – May 30 |
| Potatoes | Plant outdoors (spring) | Apr 14 – Jun 14 |
| Onions | Start seeds indoors (spring) | Mar 3 – Mar 30 |
| Onions | Transplant outdoors (spring) | May 1 – May 30 |
| Broccoli | Start seeds indoors (spring) | Mar 27 – Apr 30 |
| Broccoli | Transplant outdoors (spring) | May 1 – May 30 |
| Broccoli | Start seeds indoors (fall) | Jun 8 – Jun 18 |
| Broccoli | Transplant outdoors (fall) | Jul 8 – Jul 19 |
| Cabbage | Start seeds indoors (spring) | Mar 17 – Apr 14 |
| Cabbage | Transplant outdoors (spring) | Apr 14 – May 15 |
| Cabbage | Start seeds indoors (fall) | May 29 – Jun 28 |
| Cabbage | Transplant outdoors (fall) | Jun 28 – Jul 29 |
| Leaf lettuce | Sow outdoors (spring) | Apr 14 – Jun 30 |
| Leaf lettuce | Sow outdoors (fall) | Jun 28 – Aug 14 |
| Spinach | Sow outdoors (spring) | Apr 7 – May 21 |
| Spinach | Sow outdoors (fall) | Jul 15 – Aug 19 |
| Radishes | Sow outdoors (spring) | Apr 14 – Jun 4 |
| Radishes | Sow outdoors (fall) | Jun 28 – Aug 29 |
| Kale | Sow outdoors (spring) | May 1 – May 21 |
| Kale | Sow outdoors (fall) | Jun 21 – Jul 29 |
| Carrots | Sow outdoors (spring) | May 15 – Jun 30 |
| Carrots | Sow outdoors (fall) | May 29 – Jul 14 |
| Garlic | Plant outdoors (fall) | Sep 28 – Oct 29 |
Where these dates come from
ZIP code 84755 is matched to the NOAA station Orderville, UT, 3.6 km away, at 5,460 ft elevation (152 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Orderville, UT (used) | 5,460 ft | May 15 | Oct 8 |
| Kanab, UT | 4,900 ft | Apr 29 | Oct 22 |
| Alton, UT | 7,098 ft | Jun 1 | Sep 30 |
| Zion Np, UT | 4,038 ft | Apr 13 | Nov 2 |
Frost dates near Mount Carmel
- Orderville, UT 84758 · last May 15, first Oct 8
- Glendale, UT 84729 · last May 15, first Oct 8
- Kanab, UT 84741 · last Apr 29, first Oct 22
- Alton, UT 84710 · last Jun 1, first Sep 30
- Duck Creek Village, UT 84762 · last Jun 21, first Sep 12
- Springdale, UT 84767 · last Apr 13, first Nov 2
- Rockville, UT 84763 · last Apr 13, first Nov 2
- Hildale, UT 84784 · last Apr 26, first Oct 25
Frequently asked questions
- When is the last frost in Mount Carmel, UT?
- For ZIP code 84755, the average last spring frost (32°F) is May 15, based on NOAA 1991-2020 climate normals for the Orderville, UT weather station. There is a 1-in-10 chance of a frost after June 4.
- When is the first frost in Mount Carmel, UT?
- The average first fall frost (32°F) is October 8. There is a 1-in-10 chance of frost by September 26, so tender plants are at risk from that point on.
- How long is the growing season in 84755?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 144 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.